MILWAUKEE, Wisconsin, Oct. 14 (TNSjou) -- Marquette University issued the following news release: * * * Marquette University researchers offer the first empirically supported explanation for loss of tropical forest carbon storage, decaying tropical forest carbon sink 10-year study observed more than 117,000 plants to provide first direct empirically supported explanation * An increasing abundance in woody vines--or "lianas"--reduces canopy tree growth and survival in tropical forests, which  more